CN217587142U

CN217587142U - Plant growth environment simulation experiment device

Info

Publication number: CN217587142U
Application number: CN202221571036.1U
Authority: CN
Inventors: 李念; 吴志国; 沈乾均
Original assignee: Chengdu Tielishi Engineering Technology Co ltd; Geological Environment Monitoring Station Of Guangxi Zhuang Autonomous Region
Current assignee: Chengdu Tielishi Engineering Technology Co ltd; Geological Environment Monitoring Station Of Guangxi Zhuang Autonomous Region
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-10-14
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to a vegetation environment simulation experiment device belongs to side slope ecological management research experiment device technical field. The utility model discloses a base and the experimental groove of locating the base top, the experimental groove is the rectangular channel, the bottom plate of experimental groove is personally submitted the angle of settlement slope for the level and arranges, the experimental inslot chamber is provided with the division board in one side that is close to experimental tank bottom side wall board, the division board separates the experimental tank inner chamber for upper portion flourishing soil groove and lower part water catch bowl, the drainage clearance has between the bottom face of division board and the bottom plate upper surface of experimental groove, the top face of division board constitutes the earial drainage mouth with the internal surface combination of the left and right sides wall board of experimental groove, the lower part water catch bowl is provided with the outlet. The utility model discloses the installation is good with the use convenience, will originally this experiment that goes on open-air sloping field shift to the city in, shift outdoor experiment to indoor, made things convenient for the scientific research personnel to develop work.

Description

Plant growth environment simulation experiment device

Technical Field

The utility model relates to a vegetation environment simulation experiment device belongs to side slope ecological management research experiment device technical field.

Background

An important work requirement in environmental protection is ecological management of the side slope. A large number of abandoned mines and manually excavated side slopes need to be subjected to ecological management, which is a multidisciplinary difficult problem relating to phytology, soil mechanics, engineering technology and the like. In order to research and master the slope ecological management technology, a comprehensive simulation experiment platform is needed.

The slope ecological management researches the necessary conditions for the growth of slope plants and realizes the technical means. In a large number of engineering practices, because the plants growing in different environments (environment, climate, geological environment, slope morphology) exist in the treatment objects, the required ecological treatment means and measures are different. Therefore, specific environments of different treatment objects need to be simulated, and runoff plot experiments, plant growth site condition difference experiments, open experiments of plant lawn building researches, and experimental researches of different plant growth maintenance conditions and different substrate conditions are carried out. And a parallel experiment can be carried out aiming at a single project, and the data and the result are compared, so that a proper treatment measure and a proper treatment method can be found.

The slope ecological management experiment is a work with a long period and more data comparison requirements. The implementation convenience is an important requirement for developing experimental work, and corresponding cost saving is brought.

The prior art generally adopts a scheme of carrying out simulation experiments in situ or building an experiment platform on a building ground surface in different places, has the defects of difficult field site selection, large construction difficulty of an experiment site, high cost, unrepeatable use and the like, and has the problems of single experiment parameters, fixed experiment contents, poor working conditions of experimenters, inconvenient development of experiment work and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the plant growth environment simulation experiment device is convenient to install and use.

In order to solve the technical problem the utility model discloses the technical scheme who adopts is: plant growth environment simulation experiment device, include the base and locate the experiment groove at base top, the experiment groove is the rectangular channel, the bottom plate of experiment groove is personally submitted the angle of settlement slope for the level and arranges, the experiment groove inner chamber is provided with the division board in the one side that is close to experiment groove bottom side wall board, the division board separates the experiment groove inner chamber for upper portion flourishing soil groove and lower part water catch bowl, drainage clearance has between the bottom face of division board and the bottom plate upper surface of experiment groove, the top face of division board constitutes the earial drainage mouth with the internal surface combination of the left and right sides wall board of experiment groove, the lower part water catch bowl is provided with the outlet.

Further, the method comprises the following steps: the upper surface of the bottom plate of the upper soil containing groove is fixedly provided with a grinding resistance block.

Further, the method comprises the following steps: the partition board is vertically arranged relative to the upper surface of the bottom board of the experimental groove.

Further, the method comprises the following steps: the inner surfaces of the left and right side wall plates of the experimental groove are respectively and fixedly provided with an inclined pull rod, and one end of the inclined pull rod, which is far away from the side wall plate, is fixedly connected with the upper surface of the bottom plate of the experimental groove.

Further, the method comprises the following steps: the base includes the multiunit stand that sets up along experimental groove length direction interval, and every group stand sets up along experimental groove width direction interval, and the fixed sloping that is provided with the bottom plate incline direction looks adaptation with the experimental groove in stand top, the fixed limit baffle who is provided with experimental groove bottom side wall board matched with of lower extreme of sloping.

Further, the method comprises the following steps: the height of the same group of stand columns arranged at intervals along the width direction of the experimental groove is the same, the column top of the group of stand columns with the lowest height and the lower end of the inclined beam are combined to form a limiting bayonet, and the limiting baffle is arranged in the limiting bayonet.

Further, the method comprises the following steps: the height of the same group of stand columns arranged at intervals along the width direction of the experimental groove is the same, a transverse connecting beam is arranged between two adjacent stand columns arranged at intervals along the width direction of the experimental groove, and an inclined strut is arranged between two adjacent stand columns arranged at intervals along the length direction of the experimental groove.

Further, the method comprises the following steps: and an X-shaped inclined strut is arranged between every two adjacent upright columns which are arranged at intervals along the width direction of the experimental groove.

Further, the method comprises the following steps: the bottom of the upright post is provided with a strip foundation beam.

Further, the method comprises the following steps: the base includes the multiunit stand that sets up along experimental groove length direction interval, and the capital of stand all is articulated with the experimental groove, and wherein at least a set of stand is hydraulic jack.

The beneficial effects of the utility model are that: the inclined included angle of the bottom plate of the experiment groove relative to the horizontal plane can be preset according to the slope required to be simulated in the experiment, the drain port at the position of the top end face of the partition plate can simulate the mud-water mixture washed on the surface of the soil body in the natural environment to descend along the slope, the drainage gap at the bottom of the partition plate can simulate the drainage mode of the natural soil body with certain porosity under the rain condition, and the lower water collecting tank can facilitate the collection and analysis of the radial fluid in the rain experiment. The whole device can be generally processed by adopting metal components in advance in a factory, is convenient to install and use, and can transfer the original experiment carried out on the field sloping field to a city and transfer the outdoor experiment to the indoor, thereby facilitating the development of scientific research personnel; the utility model can be used in parallel by a plurality of devices, and can carry out parallel experiments; the device is convenient to move integrally and can be used repeatedly in different places.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a front view of the middle base of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the middle experimental tank of the present invention.

Fig. 4 is a schematic sectional structure diagram of the position of the partition plate in the pilot tank of the utility model.

The labels in the figure are: the device comprises a base 1, an experimental groove 2, a partition plate 3, a drainage gap 4, a drainage port 5, a limit baffle 6, a diagonal draw bar 7, a stand column 8, an oblique beam 9, an oblique support 10, an X-shaped oblique support 11 and a strip foundation beam 12.

Detailed Description

The present invention will be further explained with reference to the drawings and the embodiments.

As shown in fig. 1 to 4, the utility model discloses a base 1 and locate the experimental groove 2 at base 1 top, experimental groove 2 is the rectangular channel, experimental groove 2's bottom plate is for the level and personally submits the settlement angle slope to arrange, 2 inner chambers of experimental groove are provided with division board 3 in the one side of being close to 2 bottom side wall plates of experimental groove, division board 3 separates 2 inner chambers of experimental groove for the flourishing soil tank in upper portion and lower part water catch bowl, drainage clearance 4 has between division board 3's bottom face and the bottom plate upper surface of experimental groove 2, division board 3's top face constitutes the mouth 5 that lets out with the internal surface combination of the two side wall plates of the left and right sides of experimental groove 2, the lower part water catch bowl is provided with the outlet. The rectangular groove is a groove body with a rectangular inner cavity cross section, and is usually a rectangular groove body. The bottom plate of the experimental groove 2 is inclined at a set angle relative to the horizontal plane, i.e. the bottom plate is higher than the top plate and lower than the top plate, i.e. the bottom plate of the experimental groove 2 is located at the lower end of the four side wall plates of the experimental groove 2, i.e. the top plate of the experimental groove 2 is located at the higher end of the four side wall plates of the experimental groove 2, and i.e. the left and right side wall plates are located between the bottom side wall plate of the experimental groove 2 and the top side wall plate of the experimental groove 2. During the concrete implementation, the slope contained angle of the bottom plate of the experimental groove 2 relative to the horizontal plane can be preset according to the slope of the simulation required by the experiment, the whole device can be generally processed in advance in a factory by adopting metal components, a steel structural component is adopted in the embodiment, the size of an inner cavity of the experimental groove 2 is 5.15m multiplied by 1.5m (or 6.15m multiplied by 1.5 m), the depth is 30 cm-35 cm, the periphery of the groove body and the bottom plate are connected by adopting full welding seams of steel plates to form a closed body, and the water and soil loss in the experimental process is avoided. After the upper soil containing groove is filled with soil, surface soil (an organic layer and a leaching layer) for plant growth can be simulated. The division plate 3 plays the condition of preventing that the experimental soil body from appearing whole swift current smooth in the rain experiment on the one hand, for making simple structure reliable, division plate 3 generally sets up for the bottom plate upper surface vertical of experimental groove 2, in addition on the one hand, the top height of division plate 3 is 5cm lower than the lateral wall, form the bleeder 5, can simulate in the natural environment soil body surface washout muddy water mixture down the same slope, the drainage clearance 4 of division plate 3 bottom can simulate the natural soil body that has certain porosity under the rain condition sluicing mode, to drainage clearance 4 region, division plate 3 can adopt the spot welding mode with the bottom plate of experimental groove 2 to be connected, in order to increase the connection reliability, do not influence the drainage simultaneously. The lower water collecting tank can facilitate collection and analysis of medium-diameter fluid in a deluge experiment, and the water drain hole can be formed in a side wall plate or a bottom plate at the bottom end of the lower water collecting tank. To further facilitate the collection and analysis of the bore fluid, the lower sump is typically implemented in conjunction with a collection tank (or bucket) and a draft tube. To facilitate rainwash fluid collection and analysis, the height difference from the ground at the lower end of the base 1 is typically not less than 50cm.

Preferably, a grinding resistance block is fixedly arranged on the upper surface of the bottom plate of the upper soil containing groove, and the grinding resistance block can be a block piece made of a steel plate and is welded on the upper surface of the bottom plate. The abrasive blocks may be arranged in a quincunx pattern or in a rectangular array. The grinding block can simulate the concave-convex of the rock slope.

Preferably, the inner surfaces of the left and right side wall plates of the experimental groove 2 are respectively and fixedly provided with a diagonal draw bar 7, and one end of the diagonal draw bar 7 far away from the side wall plates is fixedly connected with the upper surface of the bottom plate of the experimental groove 2. The side plates and the bottom plate are connected by the diagonal draw bars 7 in a pulling way, so that the side walls can be prevented from being extruded and deformed after soil is filled.

Preferably, base 1 includes along the multiunit stand 8 that experimental groove 2 length direction interval set up, and every group stand 8 sets up along experimental groove 2 width direction interval, and the fixed sloping 9 that is provided with the bottom plate incline direction looks adaptation with experimental groove 2 in stand 8 top, and the lower extreme of sloping 9 is fixed be provided with experimental groove 2 bottom side wall board matched with limit baffle 6. In this embodiment, the total weight of the experimental tank 2, the base 1 and the experimental soil can reach about 6 tons, so that the base 1 is designed with eight columns 8 as the main supporting members. Two oblique beams 9 are arranged, so that the hoisting and splicing of the experimental tank 2 are facilitated. Preferably, the heights of the columns 8 in the same group, which are spaced apart in the width direction of the test well 2, are the same, i.e., the heights of the columns 8 in the longitudinal direction are different. In the present embodiment, the base 1 is designed with four sets of two columns 8 with different heights. Limiting baffle 6 can play limiting displacement to experiment groove 2, prevents experiment groove 2 swift current down, during the assembly, experiment groove 2 directly hoist and mount to 1 top of base can, need not extra fixing device, simple structure is reliable. The capital of a set of stand 8 that highly minimum constitutes spacing bayonet socket with the lower extreme combination of sloping 9, and limit baffle 6 is located in spacing bayonet socket, and the capital of a set of stand 8 that highly minimum participates in the atress jointly like this, and the capital of stand 8 also can play the effect that prevents experimental groove 2 from slipping down simultaneously, has further improved structural reliability.

In order to further improve the stability of the base, a transverse connecting beam is arranged between two adjacent upright columns 8 which are arranged at intervals along the width direction of the experimental groove 2, and inclined struts 10 are arranged between two adjacent upright columns 8 which are arranged at intervals along the length direction of the experimental groove 2. An X-shaped inclined strut 11 is arranged between two adjacent upright columns 8 which are arranged at intervals along the width direction of the experimental groove 2.

In order to guarantee the use of experiment platform under the multiple foundation condition, 8 bottoms of stand are provided with bar foundation beam 12 to on the foundation of effectual sharing experimental apparatus's load, in order to avoid the foundation differential settlement, influence experiment platform's use and safety. The strip foundation beam 12 may be arranged in the width direction or the length direction of the experimental groove 2.

In addition, in order to facilitate the adjustment of the inclination angle of the bottom plate of the experimental groove 2, so as to realize the simulation of the plant-growing environment for the ecological management of the side slopes with different slopes on the same base 1, the upright post 8 can also adopt an adjustable structure.

Base 1 includes along the multiunit stand 8 that 2 length direction intervals of experiment groove set up, and the capital of stand 8 all articulates with experiment groove 2, and wherein at least a set of stand 8 is hydraulic jack. For example, two sets of columns 8 are arranged, one set of columns 8 can be set to be a fixed structure, the other set of columns 8 can be set to be hydraulic jacks, and the inclination angle of the bottom plate of the experimental groove 2 can be adjusted by using the hydraulic jacks.

Claims

1. Plant growth environment simulation experiment device, its characterized in that: including base (1) and locate experiment groove (2) at base (1) top, experiment groove (2) are the rectangular channel, the bottom plate of experiment groove (2) is for the level personally submit the angle of settlement slope and arrange, one side that experiment groove (2) inner chamber is close to experiment groove (2) bottom side wall board is provided with division board (3), division board (3) are for upper portion flourishing soil box and lower part water catch bowl with experiment groove (2) inner chamber partition, drainage clearance (4) have between the bottom face of division board (3) and the bottom plate upper surface of experiment groove (2), the top face of division board (3) and the interior surface combination constitution of the two side wall boards of the left and right sides of experiment groove (2) discharge opening (5), the lower part water catch bowl is provided with the outlet.

2. The plant growth environment simulation experiment device of claim 1, wherein: the upper surface of the bottom plate of the upper soil containing groove is fixedly provided with a grinding block.

3. The plant growth environment simulation experiment device of claim 1, wherein: the partition plate (3) is vertically arranged relative to the upper surface of the bottom plate of the experiment groove (2).

4. The plant growth environment simulation experiment device of claim 1, wherein: the inner surfaces of the left and right side wall plates of the experimental groove (2) are respectively and fixedly provided with an inclined pull rod (7), and one end of the inclined pull rod (7) far away from the side wall plates is fixedly connected with the upper surface of the bottom plate of the experimental groove (2).

5. A plant growth environment simulation experiment apparatus according to any one of claims 1 to 4, wherein: base (1) includes along multiunit stand (8) that experimental groove (2) length direction interval set up, and every group stand (8) set up along experimental groove (2) width direction interval, stand (8) top is fixed be provided with bottom plate incline direction looks adaptation's of experimental groove (2) sloping (9), the lower extreme of sloping (9) is fixed be provided with experimental groove (2) bottom curb plate matched with limit baffle (6).

6. The plant growth environment simulation experiment device of claim 5, wherein: the height of the same group of upright columns (8) arranged at intervals along the width direction of the experimental groove (2) is the same, the top of the upright column (8) with the lowest height and the lower end of the oblique beam (9) are combined to form a limiting bayonet, and the limiting baffle (6) is arranged in the limiting bayonet.

7. The plant growth environment simulation experiment device of claim 5, wherein: the height of the same group of upright columns (8) arranged at intervals along the width direction of the experimental groove (2) is the same, the transverse connecting beams are arranged between two adjacent upright columns (8) arranged at intervals along the width direction of the experimental groove (2), and the inclined struts (10) are arranged between two adjacent upright columns (8) arranged at intervals along the length direction of the experimental groove (2).

8. The plant growth environment simulation experiment device of claim 7, wherein: an X-shaped inclined strut (11) is arranged between two adjacent upright posts (8) which are arranged at intervals along the width direction of the experiment groove (2).

9. The plant growth environment simulation experiment device of claim 5, wherein: the bottom of the upright post (8) is provided with a strip-shaped foundation beam (12).

10. A plant growth environment simulation experiment device according to any one of claims 1 to 4, wherein: base (1) is including following multiunit stand (8) that experimental groove (2) length direction interval set up, and the capital of stand (8) all is articulated with experimental groove (2), and wherein at least a set of stand (8) are hydraulic jack.